Patents by Inventor Guido J. Smits

Guido J. Smits has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5270147
    Abstract: A stripping film material comprises a polyethylene terephthalate film base serving as temporary support being coated with a subbing layer essentially consisting of either:(1) hydroxypropylcellulose wherein the molar degree of substitution (DS) with hydroxypropyl groups is in the range of 3 to 1, or:(2) a copoly(vinyl acetate/crotonic acid) having a weight ratio of vinyl acetate to crotonic acid in the range of 85/15 to 99/1, wherein said subbing layer is coated with at least one hydrophilic colloid layer which is adapted to be stripped off after being moistened with an aqueous liquid, e.g. by contact with a wet surface of a permanent support.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: December 14, 1993
    Assignee: Agfa-Gevaert N.V.
    Inventors: Etienne A. Van Thillo, Eddie R. Daems, Luc H. Leenders, Guido J. Smits